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The first step of this data harvesting scheme is an email claiming legitimacy by making some puzzling statements: “This tool could be used by hackers to hack MSN passwords, it should not because Windows Live password hacking is illegal!” It’s allegedly intended for “… the use of owners to hack their own MSN accounts …” and for “forensic scientists”. And the final reference to HackMsn.exe’s validity is its use for situations in which you are “… able to login without having to enter your password”.

The promised tool is supposed to be downloaded using the link embedded in the message. This is where HackMsn.exe drops its mask and reveals that it’s a backdoor at heart.

Identified by BitDefender as Backdoor.Bifrose.AADY, this piece of malicious code affects Windows platforms. The malware injects itself into the explorer.exe process and opens up a backdoor that allows unauthorized access to, and control over the affected system.

Moreover, Backdoor.Bifrose.AADY attempts to read the keys and serial numbers of various pieces of software installed on the affected computer, while also logging the passwords to the victim’s ICQ, Messenger, POP3 mail accounts, and protected storage.

This is not the first campaign aiming to disseminate this piece of malware. You can find out the details of another scheme it’s been part of on the Malwarecity Blog.

About BitDefender®
BitDefender is the creator of one of the industry’s fastest and most effective lines of internationally certified security software. Since its inception in 2001, BitDefender has continued to raise the bar and set new standards in proactive threat prevention. Every day, BitDefender protects tens of millions of home and corporate users across the globe – giving them the peace of mind of knowing that their digital experiences will be secure. BitDefender solutions are distributed by a global network of value-added distribution and reseller partners in more than 100 countries worldwide. More information about BitDefender and its products are available at the company’s security solutions press room. Additionally, BitDefender’s www.malwarecity.com provides background and the latest updates on security threats helping users stay informed in the everyday battle against malware.

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